Abstract: We offer a new explanation of partial risk sharing based on coalition formation and segmentation of society in a risky environment, without assuming limited commitment and imperfect information. Heterogenous individuals in a society freely choose with whom they will share risk A...

We study the relationship between the distribution of individuals' attributes over the population and the extent of risk sharing in a risky environment. We consider a society where individuals differing with respect to risk or their degree of risk aversion form risk-sharing coalitions in the...

We study the relationship between the distribution of individuals' attributes over the population and the extent of risk sharing in a risky environment. We consider a society where individuals voluntarily form risk-sharing groups in the absence of financial markets. We obtain a partition of...

Os produtos culturais são certamente diferenciados onde dificilmente se consegue aplicar a lógica económica dos bens privados. Focámos a nossa a análise na procura de cinema em Lisboa, para isso devido a inúmeras dificuldades encontradas com dados estatísticos entrámos num esforço...